engage in sexual activity casually or with someone other than one's spouse or partner.
"I found out he was messing around with my best friend"
cause someone problems, especially by acting unfairly or indecisively.
"get your own back—make him sorry he ever messed you around!"
Meaning if they do not stop mucking about they will be murdered and tossed into said attic
Person 1, Yeeeeeet I'm only 16 I wanna kill a mockingbird by shoving a dog up his arse
Person2, Oi YOU SILLY BUGGERING BENT OVER SHEEP SHAGGER TALK ANY MORE SHIT ILL SKIN YOU FROM THE COCK AND LEAVE YOU IN THE FOCKEN ATTIC YA WEE BASTARD
person 1, you don't half talk shite you do
Person 2, THATS IT CUNT KEEP MESSING AROUND YOU WILL BE THE BAD SMELL IN THE ATTIC
It's when someone is messing around so you say to them 'STOP MESSING AROUND KRUNT'
STOP MESSING AROUND KRUNT'